hairpin turn

US /ˈher.pɪn ˌtɜːrn/
UK /ˈher.pɪn ˌtɜːrn/
"hairpin turn" picture
1.

Haarnadelkurve

a very sharp bend in a road, especially on a mountain, that doubles back on itself

:
The bus struggled to navigate the steep hairpin turn on the mountain road.
Der Bus hatte Mühe, die steile Haarnadelkurve auf der Bergstraße zu bewältigen.
Drivers must slow down significantly before a hairpin turn.
Fahrer müssen vor einer Haarnadelkurve erheblich langsamer werden.